Textiles: weaving – Weft manipulation – Shuttle motions
Patent
1977-05-25
1978-04-04
Jaudon, Henry S.
Textiles: weaving
Weft manipulation
Shuttle motions
139438, D03D 4926
Patent
active
040821188
ABSTRACT:
Improvement in pneumatic shuttle picking mechanism for looms which include a picking cylinder and a pump cylinder; a first piston slidably mounted within the picking cylinder and having attached thereto a piston rod which extends through the outlet end of the picking cylinder for picking engagement with the shuttle; a second piston slidably mounted within the pump cylinder and having attached thereto a piston rod which extends out of the inlet end of the pump cylinder for attachment to drive mechanism for reciprocating the second piston; conduits connecting the outlet side of the pump cylinder to the inlet side of the picking cylinder and the outlet side of the picking cylinder to the inlet side of the pump cylinder in a closed system; and a one-way valve located at one end of the pump cylinder which only allows air to enter the pump cylinder from the atmosphere and only when the pressure within the pump cylinder falls below atmospheric pressure.
REFERENCES:
patent: 2923344 (1960-02-01), La Voie et al.
patent: 3299968 (1967-01-01), Cunningham
patent: 3330305 (1967-07-01), Suaty et al.
patent: 3410180 (1968-11-01), Spangler et al.
patent: 3416572 (1968-12-01), Giavini
patent: 3722552 (1973-03-01), Indra et al.
patent: 3875974 (1975-04-01), Rambousek
Crompton & Knowles Corporation
Garner Howard G.
Jaudon Henry S.
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